■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 595 — is the max pain price.
Open interest by strike · Fri, Sep 11
■ calls (up)■ puts (down)TMO open contracts per strike for Fri, Sep 11.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Sep 11
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Sep 11
— call IV— put IVATM ≈ 26.3% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Sep 11
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Sep 11
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.83
-0.32
590
0.0071
0.31
-0.32
-0.17
0.79
-0.35
595
0.0081
0.35
-0.35
-0.20
0.78
-0.37
597.5
0.0086
0.37
-0.37
-0.22
0.75
-0.38
600
0.0092
0.39
-0.38
-0.24
0.73
-0.40
602.5
0.0097
0.40
-0.40
-0.27
0.66
-0.43
610
0.0111
0.45
-0.44
-0.34
0.60
-0.45
615
0.0119
0.47
-0.45
-0.40
0.54
-0.46
620
0.0123
0.48
-0.46
-0.46
0.42
-0.45
630
0.0121
0.48
-0.45
-0.58
0.36
-0.43
635
0.0116
0.46
-0.43
-0.64
0.31
-0.41
640
0.0108
0.43
-0.41
-0.69
0.22
-0.35
650
0.0088
0.36
-0.35
-0.78
0.18
-0.32
655
0.0078
0.33
-0.32
-0.82
0.15
-0.29
660
0.0068
0.29
-0.29
-0.85
0.11
-0.23
670
0.0051
0.23
-0.23
-0.90
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 37 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.